/*
 * Copyright 2004-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.security.access.expression;

import org.junit.jupiter.api.Test;

import org.springframework.expression.Expression;
import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.expression.spel.support.StandardEvaluationContext;

import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;

class ExpressionUtilsTests {

	@Test
	void evaluateAsBooleanWhenExpressionNullThenFalse() {
		SpelExpressionParser parser = new SpelExpressionParser();
		Expression expression = parser.parseExpression("null");
		StandardEvaluationContext context = new StandardEvaluationContext(this);
		assertThatIllegalArgumentException().isThrownBy(() -> ExpressionUtils.evaluateAsBoolean(expression, context));
	}

}
